Home / 98,988,413,941.92-136,615,643,273.28-55,591,830,678.72

Finding the Fourth Proportional to 98,988,413,941.92, 136,615,643,273.28 and 55,591,830,678.72

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Solution

The fourth proportional to 98,988,413,941.92, 136,615,643,273.28 and 55,591,830,678.72 is: 76,723,258,879.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,988,413,941.92 : 136,615,643,273.28 = 55,591,830,678.72 : x
  2. Step 2: Convert to fraction form
    98,988,413,941.92/136,615,643,273.28 = 55,591,830,678.72/x
  3. Step 3: Cross multiply
    98,988,413,941.92x = 136,615,643,273.28 × 55,591,830,678.72
  4. Step 4: Simplify right side
    98,988,413,941.92x = 7,594,713,708,912,594,386,944
  5. Step 5: Solve for x
    x = 7,594,713,708,912,594,386,944/98,988,413,941.92
  6. Step 6: Final answer
    x = 76,723,258,879.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.